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1b82c6c7 | 1 | /* Test message queue passing. |
688903eb | 2 | Copyright (C) 2004-2018 Free Software Foundation, Inc. |
1b82c6c7 UD |
3 | This file is part of the GNU C Library. |
4 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
1b82c6c7 UD |
19 | |
20 | #include <errno.h> | |
21 | #include <fcntl.h> | |
22 | #include <mqueue.h> | |
23 | #include <signal.h> | |
24 | #include <stdio.h> | |
25 | #include <stdlib.h> | |
26 | #include <string.h> | |
27 | #include <sys/time.h> | |
28 | #include <sys/wait.h> | |
29 | #include <time.h> | |
30 | #include <unistd.h> | |
31 | #include "tst-mqueue.h" | |
32 | ||
33 | static void | |
34 | alrm_handler (int sig) | |
35 | { | |
36 | } | |
37 | ||
38 | #define TIMEOUT 10 | |
39 | #define TEST_FUNCTION do_test () | |
40 | static int | |
41 | do_test (void) | |
42 | { | |
43 | int result = 0; | |
44 | ||
45 | char name[sizeof "/tst-mqueue2-" + sizeof (pid_t) * 3]; | |
46 | snprintf (name, sizeof (name), "/tst-mqueue2-%u", getpid ()); | |
47 | ||
48 | struct mq_attr attr = { .mq_maxmsg = 2, .mq_msgsize = 2 }; | |
49 | mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); | |
50 | ||
51 | if (q == (mqd_t) -1) | |
52 | { | |
53 | printf ("mq_open failed with: %m\n"); | |
54 | return result; | |
55 | } | |
56 | else | |
57 | add_temp_mq (name); | |
58 | ||
59 | mqd_t q2 = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); | |
60 | if (q2 != (mqd_t) -1) | |
61 | { | |
62 | puts ("mq_open with O_EXCL unexpectedly succeeded"); | |
63 | result = 1; | |
64 | } | |
65 | else if (errno != EEXIST) | |
66 | { | |
67 | printf ("mq_open did not fail with EEXIST: %m\n"); | |
68 | result = 1; | |
69 | } | |
70 | ||
71 | char name2[sizeof "/tst-mqueue2-2-" + sizeof (pid_t) * 3]; | |
72 | snprintf (name2, sizeof (name2), "/tst-mqueue2-2-%u", getpid ()); | |
73 | ||
74 | attr.mq_maxmsg = -2; | |
75 | q2 = mq_open (name2, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); | |
76 | if (q2 != (mqd_t) -1) | |
77 | { | |
78 | puts ("mq_open with invalid mq_maxmsg unexpectedly succeeded"); | |
79 | add_temp_mq (name2); | |
80 | result = 1; | |
81 | } | |
82 | else if (errno != EINVAL) | |
83 | { | |
84 | printf ("mq_open with invalid mq_maxmsg did not fail with " | |
85 | "EINVAL: %m\n"); | |
86 | result = 1; | |
87 | } | |
88 | ||
89 | attr.mq_maxmsg = 2; | |
90 | attr.mq_msgsize = -56; | |
91 | q2 = mq_open (name2, O_CREAT | O_EXCL | O_RDWR, 0600, &attr); | |
92 | if (q2 != (mqd_t) -1) | |
93 | { | |
94 | puts ("mq_open with invalid mq_msgsize unexpectedly succeeded"); | |
95 | add_temp_mq (name2); | |
96 | result = 1; | |
97 | } | |
98 | else if (errno != EINVAL) | |
99 | { | |
100 | printf ("mq_open with invalid mq_msgsize did not fail with " | |
101 | "EINVAL: %m\n"); | |
102 | result = 1; | |
103 | } | |
104 | ||
105 | char buf[3]; | |
106 | struct timespec ts; | |
107 | if (clock_gettime (CLOCK_REALTIME, &ts) == 0) | |
108 | ts.tv_sec += 10; | |
109 | else | |
110 | { | |
111 | ts.tv_sec = time (NULL) + 10; | |
112 | ts.tv_nsec = 0; | |
113 | } | |
114 | ||
115 | if (mq_timedreceive (q, buf, 1, NULL, &ts) == 0) | |
116 | { | |
117 | puts ("mq_timedreceive with too small msg_len did not fail"); | |
118 | result = 1; | |
119 | } | |
120 | else if (errno != EMSGSIZE) | |
121 | { | |
122 | printf ("mq_timedreceive with too small msg_len did not fail with " | |
123 | "EMSGSIZE: %m\n"); | |
124 | result = 1; | |
125 | } | |
126 | ||
127 | ts.tv_nsec = -1; | |
128 | if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0) | |
129 | { | |
130 | puts ("mq_timedreceive with negative tv_nsec did not fail"); | |
131 | result = 1; | |
132 | } | |
133 | else if (errno != EINVAL) | |
134 | { | |
135 | printf ("mq_timedreceive with negative tv_nsec did not fail with " | |
136 | "EINVAL: %m\n"); | |
137 | result = 1; | |
138 | } | |
139 | ||
140 | ts.tv_nsec = 1000000000; | |
141 | if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0) | |
142 | { | |
143 | puts ("mq_timedreceive with tv_nsec >= 1000000000 did not fail"); | |
144 | result = 1; | |
145 | } | |
146 | else if (errno != EINVAL) | |
147 | { | |
148 | printf ("mq_timedreceive with tv_nsec >= 1000000000 did not fail with " | |
149 | "EINVAL: %m\n"); | |
150 | result = 1; | |
151 | } | |
152 | ||
153 | struct sigaction sa = { .sa_handler = alrm_handler, .sa_flags = 0 }; | |
154 | sigemptyset (&sa.sa_mask); | |
155 | sigaction (SIGALRM, &sa, NULL); | |
156 | ||
157 | struct itimerval it = { .it_value = { .tv_sec = 1 } }; | |
158 | setitimer (ITIMER_REAL, &it, NULL); | |
159 | ||
160 | if (mq_receive (q, buf, 2, NULL) == 0) | |
161 | { | |
162 | puts ("mq_receive on empty queue did not block"); | |
163 | result = 1; | |
164 | } | |
165 | else if (errno != EINTR) | |
166 | { | |
167 | printf ("mq_receive on empty queue did not fail with EINTR: %m\n"); | |
168 | result = 1; | |
169 | } | |
170 | ||
171 | setitimer (ITIMER_REAL, &it, NULL); | |
172 | ||
173 | ts.tv_nsec = 0; | |
174 | if (mq_timedreceive (q, buf, 2, NULL, &ts) == 0) | |
175 | { | |
176 | puts ("mq_timedreceive on empty queue did not block"); | |
177 | result = 1; | |
178 | } | |
179 | else if (errno != EINTR) | |
180 | { | |
181 | printf ("mq_timedreceive on empty queue did not fail with EINTR: %m\n"); | |
182 | result = 1; | |
183 | } | |
184 | ||
185 | buf[0] = '6'; | |
186 | buf[1] = '7'; | |
187 | if (mq_send (q, buf, 2, 3) != 0 | |
188 | || (buf[0] = '8', mq_send (q, buf, 1, 4) != 0)) | |
189 | { | |
190 | printf ("mq_send failed: %m\n"); | |
191 | result = 1; | |
192 | } | |
193 | ||
194 | memset (buf, ' ', sizeof (buf)); | |
195 | ||
196 | unsigned int prio; | |
197 | ssize_t rets = mq_receive (q, buf, 3, &prio); | |
198 | if (rets != 1) | |
199 | { | |
200 | if (rets == -1) | |
201 | printf ("mq_receive failed: %m\n"); | |
202 | else | |
203 | printf ("mq_receive returned %zd != 1\n", rets); | |
204 | result = 1; | |
205 | } | |
206 | else if (prio != 4 || memcmp (buf, "8 ", 3) != 0) | |
207 | { | |
208 | printf ("mq_receive prio %u (4) buf \"%c%c%c\" (\"8 \")\n", | |
209 | prio, buf[0], buf[1], buf[2]); | |
210 | result = 1; | |
211 | } | |
212 | ||
213 | rets = mq_receive (q, buf, 2, NULL); | |
214 | if (rets != 2) | |
215 | { | |
216 | if (rets == -1) | |
217 | printf ("mq_receive failed: %m\n"); | |
218 | else | |
219 | printf ("mq_receive returned %zd != 2\n", rets); | |
220 | result = 1; | |
221 | } | |
222 | else if (memcmp (buf, "67 ", 3) != 0) | |
223 | { | |
224 | printf ("mq_receive buf \"%c%c%c\" != \"67 \"\n", | |
225 | buf[0], buf[1], buf[2]); | |
226 | result = 1; | |
227 | } | |
228 | ||
229 | buf[0] = '2'; | |
230 | buf[1] = '1'; | |
231 | if (clock_gettime (CLOCK_REALTIME, &ts) != 0) | |
232 | ts.tv_sec = time (NULL); | |
233 | ts.tv_nsec = -1000000001; | |
234 | if ((mq_timedsend (q, buf, 2, 5, &ts) != 0 | |
235 | && (errno != EINVAL || mq_send (q, buf, 2, 5) != 0)) | |
236 | || (buf[0] = '3', ts.tv_nsec = -ts.tv_nsec, | |
237 | (mq_timedsend (q, buf, 1, 4, &ts) != 0 | |
238 | && (errno != EINVAL || mq_send (q, buf, 1, 4) != 0)))) | |
239 | { | |
240 | printf ("mq_timedsend failed: %m\n"); | |
241 | result = 1; | |
242 | } | |
243 | ||
244 | buf[0] = '-'; | |
245 | ts.tv_nsec = 1000000001; | |
246 | if (mq_timedsend (q, buf, 1, 6, &ts) == 0) | |
247 | { | |
248 | puts ("mq_timedsend with tv_nsec >= 1000000000 did not fail"); | |
249 | result = 1; | |
250 | } | |
251 | else if (errno != EINVAL) | |
252 | { | |
253 | printf ("mq_timedsend with tv_nsec >= 1000000000 did not fail with " | |
254 | "EINVAL: %m\n"); | |
255 | result = 1; | |
256 | } | |
257 | ||
258 | ts.tv_nsec = -2; | |
259 | if (mq_timedsend (q, buf, 1, 6, &ts) == 0) | |
260 | { | |
261 | puts ("mq_timedsend with negative tv_nsec did not fail"); | |
262 | result = 1; | |
263 | } | |
264 | else if (errno != EINVAL) | |
265 | { | |
266 | printf ("mq_timedsend with megatove tv_nsec did not fail with " | |
267 | "EINVAL: %m\n"); | |
268 | result = 1; | |
269 | } | |
270 | ||
271 | setitimer (ITIMER_REAL, &it, NULL); | |
272 | ||
273 | if (mq_send (q, buf, 2, 8) == 0) | |
274 | { | |
275 | puts ("mq_send on full queue did not block"); | |
276 | result = 1; | |
277 | } | |
278 | else if (errno != EINTR) | |
279 | { | |
280 | printf ("mq_send on full queue did not fail with EINTR: %m\n"); | |
281 | result = 1; | |
282 | } | |
283 | ||
284 | setitimer (ITIMER_REAL, &it, NULL); | |
285 | ||
286 | ts.tv_sec += 10; | |
287 | ts.tv_nsec = 0; | |
288 | if (mq_timedsend (q, buf, 2, 7, &ts) == 0) | |
289 | { | |
290 | puts ("mq_timedsend on full queue did not block"); | |
291 | result = 1; | |
292 | } | |
293 | else if (errno != EINTR) | |
294 | { | |
295 | printf ("mq_timedsend on full queue did not fail with EINTR: %m\n"); | |
296 | result = 1; | |
297 | } | |
298 | ||
299 | memset (buf, ' ', sizeof (buf)); | |
300 | ||
301 | if (clock_gettime (CLOCK_REALTIME, &ts) != 0) | |
302 | ts.tv_sec = time (NULL); | |
303 | ts.tv_nsec = -1000000001; | |
304 | rets = mq_timedreceive (q, buf, 2, &prio, &ts); | |
305 | if (rets == -1 && errno == EINVAL) | |
306 | rets = mq_receive (q, buf, 2, &prio); | |
307 | if (rets != 2) | |
308 | { | |
309 | if (rets == -1) | |
310 | printf ("mq_timedreceive failed: %m\n"); | |
311 | else | |
312 | printf ("mq_timedreceive returned %zd != 2\n", rets); | |
313 | result = 1; | |
314 | } | |
315 | else if (prio != 5 || memcmp (buf, "21 ", 3) != 0) | |
316 | { | |
317 | printf ("mq_timedreceive prio %u (5) buf \"%c%c%c\" (\"21 \")\n", | |
318 | prio, buf[0], buf[1], buf[2]); | |
319 | result = 1; | |
320 | } | |
321 | ||
322 | if (mq_receive (q, buf, 1, NULL) == 0) | |
323 | { | |
324 | puts ("mq_receive with too small msg_len did not fail"); | |
325 | result = 1; | |
326 | } | |
327 | else if (errno != EMSGSIZE) | |
328 | { | |
329 | printf ("mq_receive with too small msg_len did not fail with " | |
330 | "EMSGSIZE: %m\n"); | |
331 | result = 1; | |
332 | } | |
333 | ||
334 | ts.tv_nsec = -ts.tv_nsec; | |
335 | rets = mq_timedreceive (q, buf, 2, NULL, &ts); | |
336 | if (rets == -1 && errno == EINVAL) | |
337 | rets = mq_receive (q, buf, 2, NULL); | |
338 | if (rets != 1) | |
339 | { | |
340 | if (rets == -1) | |
341 | printf ("mq_timedreceive failed: %m\n"); | |
342 | else | |
343 | printf ("mq_timedreceive returned %zd != 1\n", rets); | |
344 | result = 1; | |
345 | } | |
346 | else if (memcmp (buf, "31 ", 3) != 0) | |
347 | { | |
348 | printf ("mq_timedreceive buf \"%c%c%c\" != \"31 \"\n", | |
349 | buf[0], buf[1], buf[2]); | |
350 | result = 1; | |
351 | } | |
352 | ||
353 | if (mq_send (q, "", 0, 2) != 0) | |
354 | { | |
355 | printf ("mq_send with msg_len 0 failed: %m\n"); | |
356 | result = 1; | |
357 | } | |
358 | ||
359 | rets = mq_receive (q, buf, 2, &prio); | |
360 | if (rets) | |
361 | { | |
362 | if (rets == -1) | |
363 | printf ("mq_receive failed: %m\n"); | |
364 | else | |
365 | printf ("mq_receive returned %zd != 0\n", rets); | |
366 | result = 1; | |
367 | } | |
368 | ||
369 | long mq_prio_max = sysconf (_SC_MQ_PRIO_MAX); | |
370 | if (mq_prio_max > 0 && (unsigned int) mq_prio_max == mq_prio_max) | |
371 | { | |
372 | if (mq_send (q, buf, 1, mq_prio_max) == 0) | |
373 | { | |
374 | puts ("mq_send with MQ_PRIO_MAX priority unpexpectedly succeeded"); | |
375 | result = 1; | |
376 | } | |
377 | else if (errno != EINVAL) | |
378 | { | |
379 | printf ("mq_send with MQ_PRIO_MAX priority did not fail with " | |
380 | "EINVAL: %m\n"); | |
381 | result = 1; | |
382 | } | |
383 | ||
384 | if (mq_send (q, buf, 1, mq_prio_max - 1) != 0) | |
385 | { | |
386 | printf ("mq_send with MQ_PRIO_MAX-1 priority failed: %m\n"); | |
387 | result = 1; | |
388 | } | |
389 | } | |
390 | ||
391 | if (mq_unlink (name) != 0) | |
392 | { | |
393 | printf ("mq_unlink failed: %m\n"); | |
394 | result = 1; | |
395 | } | |
396 | ||
397 | q2 = mq_open (name, O_RDWR); | |
398 | if (q2 != (mqd_t) -1) | |
399 | { | |
400 | printf ("mq_open of unlinked %s without O_CREAT unexpectedly" | |
401 | "succeeded\n", name); | |
402 | result = 1; | |
403 | } | |
404 | else if (errno != ENOENT) | |
405 | { | |
406 | printf ("mq_open of unlinked %s without O_CREAT did not fail with " | |
407 | "ENOENT: %m\n", name); | |
408 | result = 1; | |
409 | } | |
410 | ||
411 | if (mq_close (q) != 0) | |
412 | { | |
413 | printf ("mq_close in parent failed: %m\n"); | |
414 | result = 1; | |
415 | } | |
416 | ||
417 | if (mq_receive (q, buf, 2, NULL) == 0) | |
418 | { | |
419 | puts ("mq_receive on invalid mqd_t did not fail"); | |
420 | result = 1; | |
421 | } | |
422 | else if (errno != EBADF) | |
423 | { | |
424 | printf ("mq_receive on invalid mqd_t did not fail with EBADF: %m\n"); | |
425 | result = 1; | |
426 | } | |
427 | ||
428 | if (mq_send (q, buf, 1, 2) == 0) | |
429 | { | |
430 | puts ("mq_send on invalid mqd_t did not fail"); | |
431 | result = 1; | |
432 | } | |
433 | else if (errno != EBADF) | |
434 | { | |
435 | printf ("mq_send on invalid mqd_t did not fail with EBADF: %m\n"); | |
436 | result = 1; | |
437 | } | |
438 | ||
439 | if (mq_getattr (q, &attr) == 0) | |
440 | { | |
441 | puts ("mq_getattr on invalid mqd_t did not fail"); | |
442 | result = 1; | |
443 | } | |
444 | else if (errno != EBADF) | |
445 | { | |
446 | printf ("mq_getattr on invalid mqd_t did not fail with EBADF: %m\n"); | |
447 | result = 1; | |
448 | } | |
449 | ||
450 | memset (&attr, 0, sizeof (attr)); | |
451 | if (mq_setattr (q, &attr, NULL) == 0) | |
452 | { | |
453 | puts ("mq_setattr on invalid mqd_t did not fail"); | |
454 | result = 1; | |
455 | } | |
456 | else if (errno != EBADF) | |
457 | { | |
458 | printf ("mq_setattr on invalid mqd_t did not fail with EBADF: %m\n"); | |
459 | result = 1; | |
460 | } | |
461 | ||
462 | if (mq_unlink ("/tst-mqueue2-which-should-never-exist") != -1) | |
463 | { | |
464 | puts ("mq_unlink of non-existant message queue unexpectedly succeeded"); | |
465 | result = 1; | |
466 | } | |
467 | else if (errno != ENOENT) | |
468 | { | |
469 | printf ("mq_unlink of non-existant message queue did not fail with " | |
470 | "ENOENT: %m\n"); | |
471 | result = 1; | |
472 | } | |
473 | return result; | |
474 | } | |
475 | ||
476 | #include "../test-skeleton.c" |